HMT351U7MFP8C-H9 - Hynix 4GB DDR3-1333MHz PC3-10600 ECC Unbuffered CL9 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR3 SDRAM
2. Memory Size: 4GB
3. Memory Speed: 1333MHz
4. Memory Standard: PC3-10600
5. Error Correction Code (ECC): ECC
6. Buffered/Unbuffered: Unbuffered
7. CAS Latency: CL9
8. Pin Count: 240-Pin DIMM
9. Rank: Dual Rank
10. Voltage: 1.5V
11. Form Factor: DIMM
12. Memory Configuration: 512M x 72

Helpful notes:
1. ECC memory is designed for use in servers and workstations that require high levels of data integrity.
2. Dual rank memory modules offer better performance than single rank modules.
3. Make sure to check your motherboard's compatibility with DDR3 memory before purchasing.